FunctionCodes
(ENUM)
TYPE FunctionCodes :
MODBUS function codes.
- Attributes:
qualified_only
- InOut:
Name
Initial
Comment
InvalidFunctionCode
0
ReadCoils
1
ReadDiscreteInputs
2
ReadHoldingRegisters
3
ReadInputRegisters
4
WriteSingleCoil
5
WriteSingleRegister
6
ReadExceptionStatus
7
serial line only
Diagnostics
8
serial line only
GetCommEventCounter
11
serial line only
GetCommEventLog
12
serial line only
WriteMultipleCoils
15
WriteMultipleRegisters
16
ReportServerID
17
serial line only
ReadFileRecord
20
WriteFileRecord
21
MaskWriteRegister
22
ReadWriteMultipleRegisters
23
ReadFifoQueue
24
EncapsulatedInterfaceTransport
43